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Enterobacter cloacae에 의한 Cd(Ⅱ) 제거
백종수,원성호,김장규,신상규,김남기 成均館大學校 科學技術硏究所 1993 論文集 Vol.44 No.1
In order to obtain the basic data for the optimum condition to remove Cd(Ⅱ) biologically, the variation effect of Cd(Ⅱ) concentration and stirring rate on the removal of Cd(Ⅱ) were investigated by Enterobacter cloacae(ATCC 13047). The initial con-centrations of Cd(Ⅱ) were changed 10, 50, 100, and 500 ppm and the stirring rates 100, 150, and 200rpm. The initial pH and experimental temperature were fixed at pH 6.8 and 30℃. The results were obtained as follows : 1) The minimum growth inhibitorn ratio of Enterobacter cloacae was 42% at 10ppm of Cd (Ⅱ) and stirring rate 200rpm. 2) The maximum removal ratio of Cd(Ⅱ) was 8.6% at 200rpm and 50ppm of Cd(Ⅱ) by Enterobacter cloacae.